Home / 74,444.60-102,742.42-42,623.72

Finding the Fourth Proportional to 74,444.60, 102,742.42 and 42,623.72

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Solution

The fourth proportional to 74,444.60, 102,742.42 and 42,623.72 is: 58,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.60 : 102,742.42 = 42,623.72 : x
  2. Step 2: Convert to fraction form
    74,444.60/102,742.42 = 42,623.72/x
  3. Step 3: Cross multiply
    74,444.60x = 102,742.42 × 42,623.72
  4. Step 4: Simplify right side
    74,444.60x = 4,379,264,142.20
  5. Step 5: Solve for x
    x = 4,379,264,142.20/74,444.60
  6. Step 6: Final answer
    x = 58,825.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.